<!DOCTYPE HTML>
<html>

<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>单击事件 </title>
  <script type="text/javascript">
    function openwin() {
      window.open('http://www.imooc.com', '_blank',
        'height=600,width=400,top=100,toolbar=no,left=0,menubar=no,scrollbars=no,status=no');
    }
  </script>
</head>

<body>
  <form>
    <input name="点击我" type="button" value="点击我" onclick="openwin()" />
  </form>
</body>

</html>